<template>
  <div class="wrapper">
    <Row>
      <Col style=" height: 100%;" span="4">
      <Card class="article-category mr_10">
        <Tree :data="treeData" @on-select-change="handleCateChange"></Tree>
      </Card>
      </Col>
      <Col span="20">
      <Card class="article-detail">
        <Row @keydown.enter.native="handleSearch">
          <Form ref="searchForm" :model="searchForm" inline :label-width="70" style="width:100%;" class="search-form">
            <Form-item label=" " prop="title">
              <Input type="text" v-model="searchForm.title" placeholder="请输入文章标题" clearable style="width: 200px" />
            </Form-item>
            <Button @click="handleSearch" type="primary" icon="ios-search" class="search-btn">搜索</Button>
          </Form>
        </Row>
        <Row class="operation padding-row">
          <Button @click="add" type="primary">添加</Button>
        </Row>
        <Table :loading="loading" border :columns="columns" :data="data" ref="table">
          <!-- 页面展示 -->
          <template slot="openStatusSlot" slot-scope="scope">
            <div>
            </div>
            <i-switch size="large" v-model="scope.row.openStatus" @on-change="changeSwitch(scope.row)">
              <span slot="open">展示</span>
              <span slot="close">隐藏</span>
            </i-switch>
          </template>
        </Table>
        <Row type="flex" justify="end" class="mt_10">
          <Page :current="searchForm.pageNumber" :total="total" :page-size="searchForm.pageSize" @on-change="changePage" @on-page-size-change="changePageSize" :page-size-opts="[10, 20, 50, 100]" size="small" show-total show-elevator>
          </Page>
        </Row>
      </Card>
      </Col>
    </Row>
    <template>
      <Modal :title="modalTitle" v-model="modalVisible" :mask-closable="false" :width="1100">
        <Form ref="form" :model="form" :label-width="100">
          <FormItem label="文章标题" prop="title">
            <Input v-model="form.title" clearable style="width: 40%" />
          </FormItem>
          <FormItem label="文章分类" prop="categoryId">

            <Select v-model="treeValue" placeholder="请选择" clearable style="width: 180px">
              <Option :value="treeValue" style="display: none">{{
                      treeValue
                    }}
              </Option>
              <Tree :data="treeDataDefault" @on-select-change="handleCheckChange"></Tree>
            </Select>
          </FormItem>
          <FormItem label="文章排序" prop="sort">
            <Input type="number" v-model="form.sort" clearable style="width: 10%" />
          </FormItem>
          <FormItem class="form-item-view-el" label="文章内容" prop="content">
            <editor openXss v-model="form.content"></editor>
          </FormItem>
          <FormItem label="是否展示" prop="openStatus">
            <i-switch size="large" v-model="openStatus">
              <span slot="open">展示</span>
              <span slot="close">隐藏</span>
            </i-switch>
          </FormItem>
          <FormItem label="修改提示" prop="releaseStatus">
            <i-switch size="large" v-model="releaseStatus">
              <span slot="open">展示</span>
              <span slot="close">隐藏</span>
            </i-switch>
          </FormItem>
        </Form>
        <div slot="footer">
          <Button type="text" @click="modalVisible = false">取消</Button>
          <Button type="primary" :loading="submitLoading" @click="handleSubmit">提交</Button>
        </div>
      </Modal>
    </template>
  </div>
</template>

<script>
import {
  getArticleCategory,
  saveArticle,
  getArticle,
  delArticle,
  updateArticle,
  seeArticle,
  updateArticleStatus,
} from "@/api/pages"
import editor from "@/views/my-components/lili/editor"

export default {
  name: "article",
  components: {
    editor,
  },
  props: {
    selected: {
      type: Boolean,
      default: false,
    },
  },
  data () {
    return {
      selectedIndex: 99999, // 已选下标
      loading: true, // 表单加载状态
      modalType: 0, // 添加或编辑标识
      modalVisible: false, // 添加或编辑显示
      modalTitle: "", // 添加或编辑标题
      treeDataDefault: [],
      searchForm: {
        // 搜索框初始化对象
        pageNumber: 1, // 当前页数
        pageSize: 10, // 页面大小
        sort: "createTime", // 默认排序字段
        order: "desc", // 默认排序方式
        categoryId: "",
      },
      searchTreeValue: "", // 切换
      // 添加或编辑表单对象初始化数据
      openStatus: false,
      // 添加或编辑表单对象初始化数据
      releaseStatus: false,
      form: {
        title: "",
        categoryId: "",
        sort: 1,
        content: "",
        id: "",
      },
      list: [], // 列表
      treeValue: "", // 选择的分类
      //树结构
      treeData: [],
      submitLoading: false, // 添加或编辑提交状态
      columns: [
        // 表头
        {
          title: "分类名称",
          key: "articleCategoryName",
          width: 150,
        },
        {
          title: "文章标题",
          key: "title",
          minWidth: 200,
          tooltip: true,
        },
        {
          title: "是否显示",
          key: "openStatus",
          width: 100,
          slot: "openStatusSlot"
        },
        {
          title: "排序",
          key: "sort",
          width: 100,
        },
        {
          title: "操作",
          key: "action",
          align: "center",

          width: 150,
          render: (h, params) => {
            return h("div", [
              h(
                "Button",
                {
                  props: {
                    size: "small",
                    type: this.selectedIndex == params.index ? "primary" : "default",
                  },
                  style: {
                    marginRight: "5px",
                    display: this.selected ? "" : "none",
                  },
                  on: {
                    click: () => {
                      this.selectedIndex = params.index
                      this.$emit("callbacked", params.row)
                    },
                  },
                },
                this.selectedIndex == params.index ? "已选" : "选择"
              ),
              h(
                "Button",
                {
                  props: {
                    size: "small",
                    type: "info",
                  },
                  style: {
                    marginRight: "5px",
                  },
                  on: {
                    click: () => {
                      this.edit(params.row)
                    },
                  },
                },
                "编辑"
              ),
              // h(
              //   "Button",
              //   {
              //     props: {
              //       type: "error",
              //       size: "small",
              //     },
              //     on: {
              //       click: () => {
              //         this.remove(params.row)
              //       },
              //     },
              //   },
              //   "删除"
              // ),
            ])
          },
        },
      ],
      data: [], // 表单数据
      total: 0, // 表单数据总数
    }
  },
  watch: {
    "searchForm.categoryId": {
      handler () {
        this.handleSearch()
      },
      deep: true,
    },
    "searchForm.title": {
      handler () {
        this.handleSearch()
      },
      deep: true,
    },
  },
  methods: {
    // 初始化数据
    init () {
      this.getDataList()
      this.getAllList(0)
    },
    // 选择分类回调
    handleCateChange (data) {
      let { value, title } = data[0]
      this.list.push({
        value,
        title,
      })
      this.searchForm.categoryId = value
      this.searchTreeValue = title
    },
    //是否展示文章
    changeSwitch (v) {
      let params = {
        status: v.openStatus,
      }
      updateArticleStatus(v.id, params).then((res) => {
        this.submitLoading = false
        if (res.success) {
        }
      })
    },
    // 文章分类的选择事件
    handleCheckChange (data) {
      let value = ""
      let title = ""
      this.list = []
      data.forEach((item, index) => {
        value += `${item.value},`
        title += `${item.title},`
      })
      value = value.substring(0, value.length - 1)
      title = title.substring(0, title.length - 1)
      this.list.push({
        value,
        title,
      })
      this.form.categoryId = value
      this.treeValue = title
    },
    // 改变页数
    changePage (v) {
      this.searchForm.pageNumber = v
      this.getDataList()
    },
    // 改变页码
    changePageSize (v) {
      this.selected.pageNumber = 1
      this.searchForm.pageSize = v
      this.getDataList()
    },
    // 搜索列表
    handleSearch () {
      this.searchForm.pageNumber = 1
      this.searchForm.pageSize = 10
      this.getDataList()
    },
    // 获取全部文章分类
    getAllList (parent_id) {
      this.loading = true
      getArticleCategory(parent_id).then((res) => {
        this.loading = false
        if (res.success) {
          this.treeData = this.getTree(res.result)
          this.treeDataDefault = this.getTree(res.result)
          this.treeData.unshift({
            title: "全部",
            level: 0,
            children: [],
            id: "0",
            categoryId: 0,
          })
        }
      })
    },
    // 文章分类格式化方法
    getTree (tree = []) {
      let arr = []
      if (!!tree && tree.length !== 0) {
        tree.forEach((item) => {
          let obj = {}
          obj.title = item.articleCategoryName
          obj.value = item.id
          obj.attr = item.articleCategoryName // 其他你想要添加的属性
          obj.expand = false
          obj.selected = false
          obj.children = this.getTree(item.children) // 递归调用
          arr.push(obj)
        })
      }
      return arr
    },
    // 获取文章列表
    getDataList (val) {
      if (val) this.form = {}
      this.loading = true
      getArticle(this.searchForm).then((res) => {
        this.loading = false
        if (res.success) {
          this.total = res.result.total
          //为了在是否展示一列展示开关 需要改一下数据类型，最终提交再次更改
          this.data = []
          if (res.result.records.length > 0) {
            this.data = res.result.records
          }
        }
      })
      this.total = this.data?.length
      this.loading = false
    },
    // 添加文章
    handleSubmit () {

      this.$refs.form.validate((valid) => {
        if (valid) {
          this.submitLoading = true
          if (this.modalType === 0) {
            this.form.openStatus = this.openStatus
            this.form.releaseStatus = this.releaseStatus
            // 添加 避免编辑后传入id等数据 记得删除
            delete this.form.id
            saveArticle(this.form).then((res) => {
              this.submitLoading = false
              if (res.success) {
                this.$Message.success("操作成功")
                this.getDataList()
                this.modalVisible = false
              }
            })
          } else {
            // 编辑
            updateArticle(this.form).then((res) => {
              this.submitLoading = false
              if (res.success) {
                this.$Message.success("操作成功")
                this.getDataList()
                this.modalVisible = false
              }
            })
          }
        }
      })
    },
    // 添加文章modal
    add () {
      this.modalType = 0
      this.modalTitle = "添加文章"
      this.treeValue = ''

      this.form = {
        sort: 1,
        content: ''
      }
      this.$refs.form.resetFields()
      delete this.form.id
      this.modalVisible = true
    },
    // 编辑文章modal
    edit (data) {
      this.modalVisible = true
      this.modalType = 1
      this.modalTitle = "编辑文章"
      this.treeValue = ''
      this.form = {
        content: ''
      }
      seeArticle(data.id).then((res) => {
        if (res.result) {
          this.modalVisible = true
          this.form.categoryId = res.result.categoryId
          // this.treeValue = data.articleCategoryName
          this.form.id = data.id
          this.form.content = res.result.content
          this.form.title = res.result.title
          this.form.sort = res.result.sort
          this.form.openStatus = res.result.openStatus
          this.form.releaseStatus = res.result.releaseStatus
        }
      })
    },
    // 删除文章
    // remove (v) {
    //   this.$Modal.confirm({
    //     title: "确认删除",
    //     content: "您确认要删除么?",
    //     loading: true,
    //     onOk: () => {
    //       // 删除
    //       delArticle(v.id).then((res) => {
    //         this.$Modal.remove()
    //         if (res.success) {
    //           this.$Message.success("操作成功")
    //           this.getDataList()
    //         }
    //       })
    //     },
    //   })
    // },
  },
  mounted () {
    this.init()
  },
};
</script>
